Butterfly Damper, For Nominal Duct Diameter 4 in, Inlet Diameter 4 1/2 in, Overall Length 7 1/2 in, Product Type Butterfly Valve, Weight 2 lb, Maximum Pressure Rating 10 in wc, Maximum Temperature Rating 140 Degrees F, Material PVC, Seal Material Not...
Butterfly Damper, For Nominal Duct Diameter 4 in, Inlet Diameter 4 1/2 in, Overall Length 7 1/2 in, Product Type Butterfly Valve, Weight 2 lb, Maximum Pressure Rating 10 in wc, Maximum Temperature Rating 140 Degrees F, Material PVC, Seal Material Not...